the code of finetune bert

[ChengchengDu]

Hi, I cound't find the code of how to finetune the bert. Could you give me some guidance? Thank you very much

[ChengchengDu]

log σ(v0si−1> vsi
) + log σ(v0si+1

vsi ) + Es∼P(s) �
log σ(−v0s> vs)] (3)
where vs and v0s
are two different representa�tions of sentence s via two differently parameterized BERT encoders;

in the objective of finetune bert, why use two different ly parameterized bert encoder?